Explosionproof Sounder dEV20 for use in zone 1 + 2, 21 + 22
Explosion-proof Sounder dEV 20 
for use in hazardous areas of zone 1(gas) and zone 21(dust) 
Application: indoors and 
outdoors (IP66) 
II 2G Ex de IIB + H2 T6 Gb 
II 2D Ex tb lllC T 85°C Db 
Housing: seawater resistant 
aluminium 
Volume: approx. 110 dB(A) 
32 signal tones, 2 stage alarm 
Temperature range: -55°C to +60°C 
Dimensions in mm: W 110 / H 243 / D 110
Following variants are available: (please click for details)
Part.-No.
FHF21591007 Ex-Sounder dEV20 85-265VAC
FHF21591013 Ex-Sounder dEV20 24VDC
FHF22990101 Junction box with backplate for dSLB20(LED), dEV20, Expertline
Available Downloads (additional downloads in detail area):
Datasheet DE
Datasheet EN
User manual DE
User manual EN
ATEX certificate DE
Declaration of conformity EX DE
Declaration of conformity EX EN
Declaration of conformity EX ES
Declaration of conformity EX FR
Declaration of conformity DE
Declaration of conformity EN
IECEX certificate EN
RoHS Declaration of conformity DE
RoHS Declaration of conformity EN
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